Concrete Calculator
Calculate how much concrete you need for your project
ft
ft
inches
Concrete Bag Coverage
- 40 lb bag: 0.011 cubic yards (0.30 cu ft)
- 60 lb bag: 0.017 cubic yards (0.45 cu ft)
- 80 lb bag: 0.022 cubic yards (0.60 cu ft)
Tip: Add 10% extra for waste and spillage.
Common Slab Thicknesses
- Sidewalks: 4 inches
- Patios: 4 inches
- Driveways: 4-6 inches
- Garage floors: 4-6 inches
- Foundation slabs: 6-8 inches